linux-kernel - Re: [PATCH v3 1/5] mfd: max14577: Add max14577 MFD driver core

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Message-ID: <20131122100757.GI23067@lee--X1>
Date:	Fri, 22 Nov 2013 10:07:57 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Anton Vorontsov <anton@...msg.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	Pawel Moll <pawel.moll@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Landley <rob@...dley.net>, linux-doc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: Re: [PATCH v3 1/5] mfd: max14577: Add max14577 MFD driver core

> > > +static struct mfd_cell max14577_devs[] = {
> > > +	{ .name = "max14577-muic", },
> > > +	{ .name = "max14577-regulator", },
> > > +	{ .name = "max14577-charger", },
> > > +};
> > 
> > If these all support device tree, shouldn't you be populating
> > max14577_devs[x].of_compatible too? That way the MFD core will
> > automatically setup your dev.of_node pointers for you?
> 
> Only the regulator driver uses bindings from DT and it searches for
> "regulators" node in parent's node:
> 	np = of_get_child_by_name(max14577->dev->of_node, "regulators");
> I can add of_compatible but I think this won't be reflected in actual
> DTS.

Well it should be. I'll reply to the other patch too.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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